Find a, b, and c for the function f(x) = a cos (bx - c) such that the graph of f(x) matches the graph below.
A. a = -2; b = -1; c=
B. a = 4; b = 1; c = ?
C. a = 1; b = 2; c = -1
D. a = 2; b = 1; c = -?
E. a = 2; b = 1; c = 
?
Answer: A
Mathematics
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Write an equation of the line with the indicated slope and y intercept.Slope = 2, y intercept = -4
A. y = 4x - 2 B. y = -2x - 4 C. y = 4x + 2 D. y = 2x - 4
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Solve for the specified variable.I = 
for R
A. R = 
B. R = 
C. R = kEI
D. R = kE - I
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Determine whether the two pairs of numbers are proportional.5
, 7 and 3
, 3
A. Yes B. No
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